研究进一步表明，材料变形的难易程度又与变温循环过程，热疲劳试样拉伸应力的增加和材料屈服强度的降低有关。
Moreover, it is revealed that the deformation resistance in the thermal cycle process is related to the increase of its tensile stress and the decrease of yield strength.
用单边预裂纹拉伸试样测定了焊接接头各部位的应力强度因子K1值。
The stress intensity factors K1 of various position of welded joint were measured by single edge precracked tensile specimen.
抗拉强度是指样品可能承受的最大拉伸应力。
Tensile strength corresponds to the maximum tensile stress that may be sustained by a specimen.
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